67 results about "Monitors pulse" patented technology

The invention discloses an intelligent home based old person caring device and belongs to the technical field of Internet of things. The device comprises a sign detection terminal, a fall detection terminal, a remote server and a personal mobile terminal, wherein the sign detection terminal is used for monitoring pulse, body temperature and heart rate data of a human body in real time and sending the data to the remote server; the fall detection terminal is used for monitoring acceleration, posture change and geographical position of the human body in real time, and sending alarm information and position information to the remote server and the personal mobile terminal when detecting the occurrence of fall, and a user receives falling condition information of old persons in real time through the personal mobile terminal and logging in of the remote server. The device can realize remote access, monitoring and positioning to the device user by medical staff and family members via dependence on the Internet of things about intelligent home while monitoring physical conditions and falling conditions of the old persons, and performs real-time attention on the health status of the old persons, so as to provide rescue and help in the shortest time conveniently.

A method of using CPAP equipment to sense cardiogenic oscillations in a patient's airflow, and to monitor and treat the patient's cardiac condition. The apparatus diagnoses cardiac morbidity conditions, such as the existence of arrhythmias or other cardiac abnormalities, and influences and optimizes cardiac stroke volume. The apparatus further monitors pulse-transit time, changes in the heart pre-ejection period, and the duration of the cardiac cycle.

The present invention provides gas discharge laser systems capable of reliable long-term operation in a production line capacity at repetition rates in the range of 6,000 to 10,0000 pulses power second. Preferred embodiments are configured as KrF, ArF and F2 lasers used for light sources for integrated circuit lithography. Improvements include a modified high voltage power supply capable for charging an initial capacitor of a magnetic compression pulse power system to precise target voltages 6,000 to 10,0000 times per second and a feedback control for monitoring pulse energy and determining the target voltages on a pulse-by-pulse basis. Several techniques are disclosed for removing discharge created debris from the discharge region between the laser electrodes during the intervals between discharges. In one embodiment the width of the discharge region is reduced from about 3 mm to about 1 mm so that a gas circulation system designed for 4,000 Hz operation could be utilized for 10,000 Hz operation. In other embodiments the gas flow between the electrodes is increased sufficiently to permit 10,000 Hz operation with a discharge region width of 3 mm. To provide these substantial increased gas flow rates, Applicants have disclosed preferred embodiments utilize tangential forms of the prior art but with improved and more powerful motors and novel bearing designs. New bearing designs include both ceramic bearings and magnetic bearings. In other embodiments, some or all of the gas circulation power is provided with a blower located outside the laser chamber. The outside blower can be located in the laser cabinet or in separate location.

The invention discloses a flexible and extensible multifunctional nanofiber sensor and a preparation method thereof. An electrostatic spinned polyurethane nanofiber membrane doped with graphene oxide is used as a flexible matrix. An in-situ polymerization method is used to in-situ polymerize conductive polymer polythiophene on the surface of the polyurethane nanofiber doped with graphene oxide, and the polyurethane / polythiophene nanofiber membrane which is doped with graphene oxide and is provided with a skin-core structure is prepared. The surface of the nanofiber membrane is compounded with a gel membrane with a conductive copper wire to prepare the flexible and extensible multifunctional nanofiber sensor. The sensor can be used for detecting multi-mechanical stimulation environments with pressure, stretching, bending and the like, and has the advantages of high sensitivity and wide sensing range. In a human body monitoring system, the sensor can monitor pulse, heartbeat, muscle group vibration and other human health physiological indicators in real time, and can detect the full-range movement of a human body, including the movement of facial expressions and large and small joints.

The invention relates to the field of physiological monitoring sensors and discloses a wearable flexible sensor for monitoring wrist pulse, a preparation method for the wearable flexible sensor for monitoring the wrist pulse, and a monitoring system based on the sensor. The wearable flexible sensor for monitoring the wrist pulse comprises a fabric object, a blocked layer formed on the fabric object and in contact with the wrist pulse region, a sensitive layer formed at the upper surface of the blocked layer, an electrode layer comprising at least two electrodes which lead from the sensitive layer or the surface of the sensitive layer, and a skid-friendly layer, wherein the sensitive layer is made of three-dimensional porous nanometer sensitive material, the skid-friendly layer and the blocked layer are made of high-molecular polymer and have bio-compatibility, and the skid-friendly layer and the blocked layer together package the sensitive layer. The wearable flexible sensor for monitoring the wrist pulse is thin and soft, capable of being processed into different shapes, and capable of being worn on the wrist pulse or attaching to the wrist pulse to monitor the pulse information.

System and method that can monitor pulse rate and passively produce a blood pressure measurement and automatically log the data for the user. Additionally, coupling to the Internet or Information Systems expands the options for the early detection of diseases, based on sudden detected changes and trend analyses, and the successful treatment of these patients while reducing the high costs associated with invasive procedures and in-hospital care.

The present invention relates to a method of measuring the temperature of the P-N junction within the light-emitting region of a quasi-continuous-wave or pulsed semiconductor laser diode device. A series of relatively short and low current monitor pulses are applied to the laser diode in the period between the main drive current pulses necessary to cause the semiconductor to lase. At the sufficiently low current level of the monitor pulses, the laser diode device does not lase and behaves similar to an electronic diode. The voltage across the laser diode resulting from each of these low current monitor pulses is measured with a high degree of precision. The junction temperature is then determined from the measured junction voltage using their known linear relationship.

A method for improving biometric data by using a plurality of wearable devices on a network includes making a first measurement at a first wearable sensor at a first location on a body, making a second measurement at a second wearable sensor positioned at a second location on the body, and detecting an arterial pulse wave transmit time using the first measurement and the second measurement.

The invention discloses a portable pulse and body temperature monitoring device for monitoring pulse and body temperature of the human body in real time. A Bluetooth module in the prior art is replaced by adopting a Zigbee module so as to reduce the energy consumption of the whole device and improve the endurance time; body temperature measurement function is added into a physical sign measurement module so as to expand the function of a system; and the physical sign measurement module and a wireless transceiving module are integrated in a shell and the shell is fixed on a wrist band with adjustable tightness so as to solve the problem that the conventional device is easy to drop during high-strength motion. In addition, the device has two working modes of monitoring and warning.

The invention relates to a method for preparing a textured zinc oxide nanowire film, with a core-shell structure, growing on the surface of carbon fiber. The preparing method comprises the following steps of: removing a sizing agent on the surface of the carbon fiber or carbon fiber fabric, mixing zinc oxide powder and active carbon to obtain mixed zinc powder, feeding the mixed zinc powder as a growth source to a sealed tube type furnace, slowly vacuumizing, slowly introducing argon and oxygen mixed gas, heating to 850 DEG C, preserving the heat for 10min, then heating to 960 DEG C and preserving the heat for 30min, and then cooling, wherein the piezoelectric voltage of the zinc oxide film is educed through an electrode between the carbon fiber and the top of the zinc oxide, and the connection between the surface of the zinc oxide film and the electrode is of schottky connection. A device disclosed by the invention can be used as a gas pressure sensor or a pneumatic pressure nano engine of automobile / aircraft tyres. Besides, the device disclosed by the invention can also be used as a self-powered sensor for continuously monitoring pulse condition characteristic regions, such as pulse vibration frequency, pulse amplitude, and the like through a piezoelectric current change curve and provides a support for quantification representation of modern human body internet of things of traditional Chinese medicine.

The invention provides a radiation dose measurement method based on a quantum dot electroluminescent principle, which includes acquiring electroluminescent signals of an electroluminescent system based on a quantum dot in a radiation field through an image acquiring system, obtaining electroluminescent signal strength through processing and amendment, and obtaining radiation dose information according to functional relationship of the electroluminescent signal strength and the radiation dose. The novel radiation dose measurement method effectively improves space and time resolution of radiation dose measurement results, can be used for monitoring steady state radiation field dose, can also be used for monitoring pulse radiation filed dose, can obtain two-dimensionally or three-dimensionally distributed real-time information of the radiation dose, and can obtain radiation dose information with spatial discrimination reaching micron dimension.

Emitted light from a pulsed plasma system is detected, amplified and digitized over a plurality of pulse modulation cycles to produce a digitized signal over the plurality of RF modulation periods, each of which contains an amount of random intensity variations. The individual signal periods are then mathematically combined to produce a stable local reference waveform signal that has decreased random intensity variations. One mechanism for creating a stable local reference waveform signal is by subdividing each of the individual signal periods into a plurality of subunits and the mathematically averaging the respective subunits within the modulation period to produce the stable local reference waveform signal for the modulation period. The stable local reference waveform signal can then be compared to other instantaneous waveform signals from the pulsed plasma system, or waveform parameters can be derived using various signal processing techniques such as Fourier analysis.

A laser transponder for disabling a laser-based speed monitor which is transmitting a monitor laser beam at a moving vehicle by transmitting a jamming laser beam to the laser-based speed monitor. The monitor laser beam is in the shape of a monitor signal that includes monitor pulse trains emitted at a first frequency, while the jamming laser beam is in the shape of a jamming signal that includes jamming pulse trains emitted at a second frequency.

The invention provides a method for personal health examination and evaluation based on a vital sign monitor bracelet. The method comprises a steps S1 of wearing the vital sign monitor bracelet with functions of monitoring pulse rate and oxyhemoglobin saturation on a wrist, setting a data collection mode, the data continuous collection time and the data collection frequency of the bracelet first before data collection; a step S2 of collecting the oxyhemoglobin saturation, the pulse rate and body movement data of the wrist of a user in real time through the bracelet; a step S3 of analyzing the oxyhemoglobin saturation and the pulse rate data; a step S4 of analyzing the body movement data of the wrist; and a step S5 of performing weighted calculation on analytical data in the S3 and S4 steps to judge whether health hazards exist in the user according to whether the calculating result exceeds certain threshold value or not. According to the method, the health examination and evaluation are performed on the user by joint law of multiple parameters, such as the pulse rate, blood oxygen and the like. The method has the advantages of being convenient to operate and high in accuracy of determination and helping the user to discover the body health hazards as soon as possible.

An automatic siren silencing device for false alarms, for use in an alarm system having a siren driver which powers a siren. A microcomputer monitors pulse signal characteristics of the siren driver, including duration of pulses and number of pulses, and compares these characteristics with predetermined pulse signal characteristics stored in a memory. A relay coil is energized by the microcomputer, controlling a relay switch which disconnects the siren from the siren driver when the pulse signal characteristics are indicative of a false alarm thereby silencing the siren. A user means is provided to adjust the predetermined pulse signal characteristics. Power to the microcomputer is provided by a capacitor, charged by the signal of the siren driver, whereby no battery or dedicated external power supply input is required. Indicator lights and a piezo element inform a user of siren silencing, and indicate the types of false alarms detected.

The invention relates to a method and a system for monitoring pulse electrostatic discharging testing response of a transmission line. A light emission microscope acquires light emission images of the pulse discharging process of each transmission line while a TLP testing system applies transmission line pulse under different pulse voltage to an electronic element, and each light emission image can be overlapped with optical reflecting images when the test is ended, so as to accurately position an electrostatic discharging channel and a damage point of the electronic element. With the adoption of the method and system, the electroluminescence phenomenon in the pulse electrostatic discharging testing process of the transmission line can be monitored in real time, thus the electrostatic discharging channel in the electronic element under the electrostatic discharging testing process can be clear, the damage point of electrostatic discharging can be timely found out and accurately positioned, and as a result, the weak link of electrostatic resistance of a product can be determined; in addition, the test information can be fully utilized, the test is simple, and good technological support is provided for the study on electrostatic damp of the electronic device and the improvement of ESD design; good engineering application values are achieved.

The invention relates to a device and a method for detecting continuous attaching of a head-wearing intelligent device on a human body. The device comprises at least one identity consistency information acquiring module and an identity consistency information determining module, wherein the identity consistency information acquiring module is used for acquiring pulse information; the identity consistency information determining module is used for calculating the pulse intervals and determining whether the head-wearing intelligent device is continuously attached on the human body according to the set threshold; the at least one identity consistency information acquiring module is arranged on the head-wearing intelligent device. According to the technical scheme, the device and the method have the advantages that the pulse information of a user using the head-wearing intelligent device can be monitored on real time, and whether the head-wearing intelligent device is continuously attached on the human body according to the comparison result of the monitored pulse information and the preset pulse information.

A sleeping monitoring magnet therapy recovery instrument based on the somatosensory musicotherapy comprises an upper computer and a power source, the upper computer can input a signal through a keyboard, the power source supplies electricity through a transformer, the signal output end of the upper computer is connected with a lower computer composed of a single chip microcomputer in a serial port communication mode and connected with a blood oxygen detector used for monitoring pulse, blood oxygen and heart rate physiological parameters when a patient sleeps in a Bluetooth communication mode, and the output end of the lower computer is connected with a magnet field generating circuit of a magnetic field coil capable of outputting electric fields with different frequencies and intensities. According to the sleeping monitoring magnet therapy recovery instrument, a therapeutic magnetic field suitable for the patient can be generated according to the doctor advice to induce and adjust the electric potential activity of the sleep center of the patient, the somatosensory musicotherapy is added in the magnetic inducing process, a comfortable sleeping environment is created for the patient, and the sleeping quality is improved. In the whole sleeping process, the detection on the oxyhemoglobin saturation of the patient is added, the blood oxygen, the heart rate and other physiological indexes of the patient are monitored in real time to be used for the treatment result evaluation, and a doctor can adjust the therapeutic schedule conveniently.

The invention discloses an infusion pump system with a blood oxygen and blood pressure monitor function. The system comprises an electronic infusion pump body, wherein the electronic infusion pump body is provided with a blood oxygen detection unit connected with an external blood oxygen sensor, and a blood pressure detection unit connected with an external blood pressure sensor; and the blood oxygen detection unit and the blood pressure detection unit are connected with a wireless data transmission unit which is used for transmitting signals to a system workstation. The system is reasonable in structure, and can be used for monitoring pulse oximetry, patient heart rate and blood pressure in the pain-easing treatment process, so as to timely find hyoxemia and other problems and prompt medical staff to treat as early as possible, so that the occurrence of complications can be reduced, and the occurrence of adverse response (such as sudden cardiac arrest, death) can be reduced.

The invention relates to a pulse wave measurement device which comprises a measurement unit and a calculation and control unit (10), wherein the measurement unit comprises a measurement gas cavity (6), a reference gas reference (4), a charging and discharging structure, a differential pressure measurement structure and a pressure measurement structure; the measurement gas cavity (6) comprises an elastic gas bag for monitoring pulse of a measured position; the elastic gas bag is connected with the reference gas cavity (4) by a switchable access; the charging and discharging structure is connected with the measurement gas cavity (6) or the reference gas cavity (4); the differential pressure measurement structure is respectively connected with the measurement gas cavity (6) and the reference gas cavity (4); the pressure measurement structure is connected with the measurement gas cavity (6); the calculation and control unit (10) comprises a controller which is respectively connected with the charging and discharging structure, the differential pressure measurement structure and the pressure measurement structure. Compared with the prior art, according to the pulse wave measurement device disclosed by the invention, a pulse wave is recorded in a differential pressure mode, a differential pressure sensor which further accords with a peripheral vascular pressure variation range is used, a range of the sensor is sufficiently used, and measurement accuracy is improved.

The invention relates to a device and a method for determining validity of authentication information of a head-wearing intelligent device. The device comprises at least one identity recognizing information acquiring module for acquiring identity recognizing information, an identity recognizing information authentication module for authenticating the identity recognizing information to obtain the authentication information, a pulse information acquiring module for acquiring pulse information, and an authentication information validity determining module for determining whether the authentication information is valid according to the pulse information on the premise that the identity recognizing information is authenticated. According to the technical scheme, the device and the method have the advantages that the pulse information of a user using the head-wearing device is monitored and analyzed, and whether the authentication information received by the head-wearing intelligent device is valid can be determined by determining whether the real-time monitored pulse interval or the variable of the pulse intervals is within the preset threshold range.

The invention discloses a device for monitoring pulse waveform and measuring blood pressure simultaneously, and belongs to the technical field of medical equipment. A pulse wave module detects brachial arterial pulse fluctuations through a pressure sensor, and signals are transmitted to an analog signal conditioning circuit, an A / D conversion circuit, a single chip microcomputer, an accessory circuit of the single chip microcomputer and an interface circuit between the single chip microcomputer and a PC. Collected data are transmitted to the computer through signals. Meanwhile, blood pressure is measured through inflation and deflation of an inflatable oversleeve, and the data are transmitted to the computer. Finally, the computer collects the pulse waveforms of the pulse wave module, and meanwhile the waveform sampling frequency, the amplification factor and the base line position are adjusted during sampling setting, high pressure, low pressure and the heart rate of a voltage module are received, and the real-time detection function is achieved. According to the device, the obtained pulse waveform data and blood pressure value lay the foundation of calculation of the average blood flow volume, the cardiac output and the like and finally achievement of early prediction of some hemodynamic diseases and the clinical diagnostic function.

The invention relates to a micro broad-pulse dual-wavelength optogenetic stimulation device which comprises a small-scale integrated circuit, semiconductor light-emitting devices and switch type driving circuits, wherein the small-scale integrated circuit is respectively connected with two adjustable resistors capable of independently adjusting pulse parameters within large ranges, a changeover switch and an electrical interface; the electrical interface is used for monitoring pulse waveforms and parameters; both ends of the changeover switch are respectively connected with the switch type driving circuits; the two switch type driving circuits are respectively connected with one semiconductor light-emitting device; light pulses of two wavelengths, which are sent out by the driven semiconductor light-emitting devices, are respectively coupled to a light output interface through an optical fiber to be output or are directly output by the optical fiber; and the small-scale integrated circuit is connected with a power supply through a micro voltage-stabilizing module. The invention is applicable to light-emitting diodes (LED) and laser diodes (LD), can be applied to laser diode-pumpedsolid or optical fiber lasers, has fine universality and generality, and can be implemented in a flexible mode.

The invention provides a fatigue driving monitoring system based on driver body feature recognition. Compared with a fatigue driving monitoring system in the prior art, the fatigue driving monitoringsystem comprises a heart rate monitoring module, a pulse monitoring module and a processing system; the heart rate monitoring module is used for monitoring heart rate signals of a driver, the pulse monitoring module is used for monitoring pulse signals of the driver, and the processing system is used for analyzing and processing the signals monitored by the heart rate monitoring module and the pulse monitoring module so as to obtain the blood glucose level and the fatigue condition of the driver. The fatigue driving monitoring system is high in intelligence degree, easy and convenient to install, small in utilization space and high in monitoring and recognition accuracy.

A rehabilitative and / or exercise machine that has a frame with attachments to multiple independent bidirectional resistance devices (pneumatic, hydraulic, spring actuated, pulley system, cam, or any other resistance devices) used by the arms and / or legs to provide resistance against movement of the user's appendages in two substantially opposed directions. The resistance devices may have a mechanism such as one or more valves, brakes, springs, or the like that control bi-directional resistance. The action of the arms and / or legs in bi-directional resistance offers near full body exercise of the agonist / antagonist muscles using flexion and extension action of the larger muscle groups in a gait pattern, simultaneously. Hand engaging members attach to the arm resistance devices and foot engaging members attach to the leg resistance devices. The unit may include an attached inclined backboard, mat, bench, or cushion to fully or partially support the user, such as for the user to sit or lay on. The unit may have separate adjustment mechanisms for adjusting the height and / or length of the various portions of the unit to adjust the range of motion of the appendages. The unit may have devices to monitor pulse, oxygen flow and other vital signs.

The invention discloses a vehicle fatigue early warning device. The vehicle fatigue early warning device comprises a data server, a wireless reception module, a wireless transmitting module, a centralprocessor, a data analysis module, a data storage module, a sound-light alarm module, an A / D converter, a data acquisition module, pulse sensors and a monitoring camera, wherein the pulse sensors aremounted at two sides of an automobile steering wheel, are electrically connected with the data acquisition module and are used for monitoring pulse-beats of hands of a driver and transmitting the acquired pulse beat information to the data acquisition module. The vehicle fatigue early warning device is advantaged in that automatic early warning in a cab can be further carried out, the real-time information in the cab can be transmitted to a remote intelligent handset for real-time monitoring, the early warning device can be controlled through the intelligent phone for manual early warning prompting, a variety of early warning methods are utilized to prompt drivers when the drivers are in driving fatigue, and safety of the drivers is guaranteed.